84702074 has 4 divisors (see below), whose sum is σ = 127053114. Its totient is φ = 42351036.

The previous prime is 84702073. The next prime is 84702151. The reversal of 84702074 is 47020748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67354849 + 17347225 = 8207^2 + 4165^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84702074.

It is not an unprimeable number, because it can be changed into a prime (84702071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175517 + ... + 21175520.

Almost surely, 2^84702074 is an apocalyptic number.

84702074 is a deficient number, since it is larger than the sum of its proper divisors (42351040).

84702074 is a wasteful number, since it uses less digits than its factorization.

84702074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42351039.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 84702074 is about 9203.3729686458. The cubic root of 84702074 is about 439.1686678810.

The spelling of 84702074 in words is "eighty-four million, seven hundred two thousand, seventy-four".